Rock Identifier

Category

This Is Not A Rock Or Mineral

Browse this is not a rock or mineral specimens identified by the Rock Identifier community.

Learn about This Is Not A Rock Or Mineral in the encyclopedia

Claystone

Claystone

Shale

Shale

Rock Salt

Rock Salt

Rock Gypsum

Rock Gypsum

Coral Rock

Coral Rock

Asphalt Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Albite

Albite

Talc-carbonate Rock

Talc-carbonate Rock

Potassium Feldspar

Potassium Feldspar

Halite

Halite

Dolomite

Dolomite

Quartz pebble with host matrix (Silicon Dioxide (SiO2)) — mineral

Quartz pebble with host matrix

Silicon Dioxide (SiO2)

Agate (Agate (Cryptocrystalline Variety of Quartz, SiO2)) — Mineral

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Blue Quartz (Aventurine) (Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)) — mineral

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Quartz (specifically Milky or Clear Quartz fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Pink Granite (with Potassic Feldspar and Quartz) (Felsic Intrusive Igneous Rock (Granite)) — igneous

Pink Granite (with Potassic Feldspar and Quartz)

Felsic Intrusive Igneous Rock (Granite)

Pink Granite (Phaneritic Felsic Plutonic Rock (Granite)) — igneous

Pink Granite

Phaneritic Felsic Plutonic Rock (Granite)

Green Aventurine (Quartz with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Green Aventurine

Quartz with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Amethyst (Rough Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Rough Quartz)

Silicon Dioxide (SiO2) with iron impurities

Banded Agate (Tumbled) (Agate (Variety of Chalcedony/Quartz), SiO2) — mineral

Banded Agate (Tumbled)

Agate (Variety of Chalcedony/Quartz), SiO2

Amethyst (Tumbled Stone) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Tumbled Stone)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Carnelian (Carnelian (Silica, SiO2)) — mineral

Carnelian

Carnelian (Silica, SiO2)

Carnelian (Carnelian (SiO2 - Chalcedony colored by Iron Oxide)) — mineral

Carnelian

Carnelian (SiO2 - Chalcedony colored by Iron Oxide)

Tumbled Amethyst (Quartz (SiO2) with trace amounts of Iron (Fe)) — mineral

Tumbled Amethyst

Quartz (SiO2) with trace amounts of Iron (Fe)

River Rock (Gneiss/Schist mix) (Foliated Metamorphic Rock (Gneiss)) — metamorphic

River Rock (Gneiss/Schist mix)

Foliated Metamorphic Rock (Gneiss)

Quartz Druzy on Basalt (Silicon Dioxide (SiO2) on Mafic Volcanic Rock) — Mineral on Igneous Rock

Quartz Druzy on Basalt

Silicon Dioxide (SiO2) on Mafic Volcanic Rock

Mineral on Igneous Rock

Quartz (Vein Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Lake Superior Agate (Chalcedony (SiO2 with Iron inclusions)) — mineral

Lake Superior Agate

Chalcedony (SiO2 with Iron inclusions)

Smoky Quartz (Silicon Dioxide (SiO2) with aluminum impurities and natural irradiation) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities and natural irradiation

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2) with iron and magnesium inclusions) — mineral

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with iron and magnesium inclusions

Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Turquoise (Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Agate (Agate (SiO2)) — mineral

Agate

Agate (SiO2)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Larimar (Blue Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

Desert Rose (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Desert Rose

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Dyed Agate (Silicon Dioxide (SiO2) with artificial colorants) — mineral

Dyed Agate

Silicon Dioxide (SiO2) with artificial colorants

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)